/Engine/Source/Runtime/AudioMixerCore/Public/AudioMixer.h
Enumeration values represent sound file or speaker channel types.
namespace EAudioMixerChannel { enum Type { FrontLeft, FrontRight, FrontCenter, LowFrequency, BackLeft, BackRight, FrontLeftOfCenter, FrontRightOfCenter, BackCenter, SideLeft, SideRight, TopCenter, TopFrontLeft, TopFrontCenter, TopFrontRight, TopBackLeft, TopBackCenter, TopBackRight, Unknown, ChannelTypeCount, DefaultChannel = FrontLeft, } }